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Contract OI history

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Jan 21, 2028 EXPIRATION

BLSH $30.00 Call

BLSH280121C00030000

Latest saved OI372Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $30.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3871930 2026-10-02: 387 OI2026-10-05: 372 OI2026-10-06: 372 OI2026-10-07: 372 OI2026-10-08: 372 OI2026-10-09: 372 OI2026-10-13: 372 OI2026-10-14: 372 OI2026-10-16: 372 OI2026-10-20: 372 OI2026-10-23: 372 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BLSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3720
Oct 20, 20263720
Oct 16, 20263720
Oct 14, 20263720
Oct 13, 20263720
Oct 09, 20263720
Oct 08, 20263720
Oct 07, 20263720
Oct 06, 20263720
Oct 05, 2026372-15
Oct 02, 2026387No prior observation